Batt Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Pulse Rate and Bar Graph Display Welcome to our shop 1. Accurate Readings: The Finger Clip Pulse Oximeter provides accurate blood oxygen measurements within the range of 0-100% with a 1% resolution, and pulse heartbeat measurements ranging from 20-300BPM with 1BPM accuracy, ensuring reliable health monitoring. 2. Convenient Display: Equipped with an OLED multi-color display, this pulse oximeter allows for easy reading of measurements and vital signs, ensuring user-friendly operation. 3. Portable and Compact: With its small size, the oximeter is highly portable and takes up minimal space. It can be easily carried in a pocket or hung on the body, making it convenient for on-the-go use. 4. Power Efficiency: The device operates on 2 AAA 1.5V batteries (not included), ensuring power efficiency and long-term usability. 5. Package Inclusion: Each package includes 1 Finger Clip Pulse Oximeter, specifically designed to provide accurate and convenient health monitoring. Dimensions may vary slightly due to manual measurements. Please note that due to different display screens, there may be slight variations in color compared to the real object. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.